/usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Bitvector.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/hardness-nfm22/hardness_operatoramount_amount50_file-95.i -------------------------------------------------------------------------------- This is Ultimate 0.2.4-tmp.fs.bitabs-eval-d9c3e40-m [2023-12-24 11:23:24,526 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-24 11:23:24,611 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-12-24 11:23:24,615 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-24 11:23:24,616 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-24 11:23:24,637 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-24 11:23:24,638 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-24 11:23:24,638 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-24 11:23:24,639 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-12-24 11:23:24,643 INFO L153 SettingsManager]: * Use memory slicer=true [2023-12-24 11:23:24,644 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-24 11:23:24,644 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-24 11:23:24,644 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-24 11:23:24,645 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-24 11:23:24,646 INFO L153 SettingsManager]: * Use SBE=true [2023-12-24 11:23:24,646 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-24 11:23:24,646 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-24 11:23:24,647 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-24 11:23:24,647 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-24 11:23:24,647 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-24 11:23:24,647 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-24 11:23:24,648 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-24 11:23:24,648 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-24 11:23:24,648 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-24 11:23:24,648 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-24 11:23:24,648 INFO L153 SettingsManager]: * Allow undefined functions=false [2023-12-24 11:23:24,649 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-24 11:23:24,649 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-24 11:23:24,649 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-24 11:23:24,649 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-24 11:23:24,650 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-24 11:23:24,650 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-24 11:23:24,650 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-24 11:23:24,650 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-24 11:23:24,651 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-24 11:23:24,651 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-24 11:23:24,651 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-24 11:23:24,651 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-24 11:23:24,651 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-12-24 11:23:24,652 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-24 11:23:24,652 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-24 11:23:24,652 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-12-24 11:23:24,652 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-24 11:23:24,652 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-12-24 11:23:24,652 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-24 11:23:24,653 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-12-24 11:23:24,653 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2023-12-24 11:23:24,856 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-24 11:23:24,880 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-24 11:23:24,882 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-24 11:23:24,883 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-24 11:23:24,883 INFO L274 PluginConnector]: CDTParser initialized [2023-12-24 11:23:24,885 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/hardness-nfm22/hardness_operatoramount_amount50_file-95.i [2023-12-24 11:23:26,021 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-24 11:23:26,261 INFO L384 CDTParser]: Found 1 translation units. [2023-12-24 11:23:26,261 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_operatoramount_amount50_file-95.i [2023-12-24 11:23:26,270 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4618f2eed/e13fa57d404647edb92d1e79279c6131/FLAG5f900b958 [2023-12-24 11:23:26,289 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4618f2eed/e13fa57d404647edb92d1e79279c6131 [2023-12-24 11:23:26,292 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-24 11:23:26,293 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements. [2023-12-24 11:23:26,295 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-24 11:23:26,295 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-24 11:23:26,299 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-24 11:23:26,300 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.12 11:23:26" (1/1) ... [2023-12-24 11:23:26,301 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7184995a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.12 11:23:26, skipping insertion in model container [2023-12-24 11:23:26,301 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.12 11:23:26" (1/1) ... [2023-12-24 11:23:26,339 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-24 11:23:26,464 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_operatoramount_amount50_file-95.i[915,928] [2023-12-24 11:23:26,510 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-24 11:23:26,524 INFO L202 MainTranslator]: Completed pre-run [2023-12-24 11:23:26,534 WARN L239 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/hardness-nfm22/hardness_operatoramount_amount50_file-95.i[915,928] [2023-12-24 11:23:26,570 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-24 11:23:26,587 INFO L206 MainTranslator]: Completed translation [2023-12-24 11:23:26,587 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.12 11:23:26 WrapperNode [2023-12-24 11:23:26,587 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-24 11:23:26,588 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-24 11:23:26,588 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-24 11:23:26,589 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-24 11:23:26,593 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.12 11:23:26" (1/1) ... [2023-12-24 11:23:26,602 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.12 11:23:26" (1/1) ... [2023-12-24 11:23:26,626 INFO L138 Inliner]: procedures = 27, calls = 28, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 121 [2023-12-24 11:23:26,626 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-24 11:23:26,627 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-24 11:23:26,627 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-24 11:23:26,627 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-24 11:23:26,637 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.12 11:23:26" (1/1) ... [2023-12-24 11:23:26,637 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.12 11:23:26" (1/1) ... [2023-12-24 11:23:26,641 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.12 11:23:26" (1/1) ... [2023-12-24 11:23:26,652 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2023-12-24 11:23:26,652 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.12 11:23:26" (1/1) ... [2023-12-24 11:23:26,652 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.12 11:23:26" (1/1) ... [2023-12-24 11:23:26,671 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.12 11:23:26" (1/1) ... [2023-12-24 11:23:26,674 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.12 11:23:26" (1/1) ... [2023-12-24 11:23:26,676 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.12 11:23:26" (1/1) ... [2023-12-24 11:23:26,677 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.12 11:23:26" (1/1) ... [2023-12-24 11:23:26,695 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-24 11:23:26,696 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-24 11:23:26,696 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-24 11:23:26,696 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-24 11:23:26,697 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.12 11:23:26" (1/1) ... [2023-12-24 11:23:26,710 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-12-24 11:23:26,722 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2023-12-24 11:23:26,732 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-12-24 11:23:26,741 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-12-24 11:23:26,757 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-24 11:23:26,757 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2023-12-24 11:23:26,758 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-24 11:23:26,758 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-24 11:23:26,758 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-24 11:23:26,758 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-24 11:23:26,825 INFO L241 CfgBuilder]: Building ICFG [2023-12-24 11:23:26,827 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-24 11:23:37,573 INFO L282 CfgBuilder]: Performing block encoding [2023-12-24 11:23:37,615 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-24 11:23:37,615 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-24 11:23:37,615 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.12 11:23:37 BoogieIcfgContainer [2023-12-24 11:23:37,615 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-24 11:23:37,618 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-24 11:23:37,618 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-24 11:23:37,621 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-24 11:23:37,621 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.12 11:23:26" (1/3) ... [2023-12-24 11:23:37,621 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1a67b717 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.12 11:23:37, skipping insertion in model container [2023-12-24 11:23:37,622 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.12 11:23:26" (2/3) ... [2023-12-24 11:23:37,622 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1a67b717 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.12 11:23:37, skipping insertion in model container [2023-12-24 11:23:37,622 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.12 11:23:37" (3/3) ... [2023-12-24 11:23:37,623 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount50_file-95.i [2023-12-24 11:23:37,642 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-24 11:23:37,643 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-24 11:23:37,687 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-24 11:23:37,695 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@384a2118, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-24 11:23:37,695 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-24 11:23:37,699 INFO L276 IsEmpty]: Start isEmpty. Operand has 48 states, 30 states have (on average 1.5) internal successors, (45), 31 states have internal predecessors, (45), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2023-12-24 11:23:37,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2023-12-24 11:23:37,714 INFO L187 NwaCegarLoop]: Found error trace [2023-12-24 11:23:37,714 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-24 11:23:37,715 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-24 11:23:37,720 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-24 11:23:37,721 INFO L85 PathProgramCache]: Analyzing trace with hash -1173957339, now seen corresponding path program 1 times [2023-12-24 11:23:37,735 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-24 11:23:37,736 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1126134673] [2023-12-24 11:23:37,736 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-24 11:23:37,737 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-24 11:23:37,737 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-24 11:23:37,740 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-24 11:23:37,747 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2023-12-24 11:23:38,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-24 11:23:38,582 INFO L262 TraceCheckSpWp]: Trace formula consists of 168 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-24 11:23:38,589 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-24 11:23:38,636 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 392 trivial. 0 not checked. [2023-12-24 11:23:38,637 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-24 11:23:38,637 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-24 11:23:38,638 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1126134673] [2023-12-24 11:23:38,638 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1126134673] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-24 11:23:38,638 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-24 11:23:38,638 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-24 11:23:38,640 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1930947390] [2023-12-24 11:23:38,640 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-24 11:23:38,647 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-24 11:23:38,648 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-24 11:23:38,680 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-24 11:23:38,681 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-24 11:23:38,683 INFO L87 Difference]: Start difference. First operand has 48 states, 30 states have (on average 1.5) internal successors, (45), 31 states have internal predecessors, (45), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) Second operand has 2 states, 2 states have (on average 13.5) internal successors, (27), 2 states have internal predecessors, (27), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 2 states have call successors, (15) [2023-12-24 11:23:43,424 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.69s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-24 11:23:43,425 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-24 11:23:43,426 INFO L93 Difference]: Finished difference Result 92 states and 161 transitions. [2023-12-24 11:23:43,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-24 11:23:43,682 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 13.5) internal successors, (27), 2 states have internal predecessors, (27), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 2 states have call successors, (15) Word has length 97 [2023-12-24 11:23:43,682 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-24 11:23:43,688 INFO L225 Difference]: With dead ends: 92 [2023-12-24 11:23:43,688 INFO L226 Difference]: Without dead ends: 45 [2023-12-24 11:23:43,690 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 96 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-24 11:23:43,693 INFO L413 NwaCegarLoop]: 64 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 64 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.7s IncrementalHoareTripleChecker+Time [2023-12-24 11:23:43,694 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 64 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 1 Unknown, 0 Unchecked, 4.7s Time] [2023-12-24 11:23:43,708 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2023-12-24 11:23:43,726 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 45. [2023-12-24 11:23:43,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 45 states, 28 states have (on average 1.3214285714285714) internal successors, (37), 28 states have internal predecessors, (37), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2023-12-24 11:23:43,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 67 transitions. [2023-12-24 11:23:43,730 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 67 transitions. Word has length 97 [2023-12-24 11:23:43,730 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-24 11:23:43,731 INFO L495 AbstractCegarLoop]: Abstraction has 45 states and 67 transitions. [2023-12-24 11:23:43,731 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 13.5) internal successors, (27), 2 states have internal predecessors, (27), 2 states have call successors, (15), 2 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 2 states have call successors, (15) [2023-12-24 11:23:43,731 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 67 transitions. [2023-12-24 11:23:43,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2023-12-24 11:23:43,734 INFO L187 NwaCegarLoop]: Found error trace [2023-12-24 11:23:43,734 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-24 11:23:43,749 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2023-12-24 11:23:43,935 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-24 11:23:43,936 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-24 11:23:43,937 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-24 11:23:43,937 INFO L85 PathProgramCache]: Analyzing trace with hash 1355984171, now seen corresponding path program 1 times [2023-12-24 11:23:43,938 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-24 11:23:43,938 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1878064850] [2023-12-24 11:23:43,938 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-24 11:23:43,938 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-24 11:23:43,938 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-24 11:23:43,940 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-24 11:23:43,943 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2023-12-24 11:23:44,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-24 11:23:44,720 INFO L262 TraceCheckSpWp]: Trace formula consists of 168 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-24 11:23:44,725 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-24 11:23:48,293 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2023-12-24 11:23:48,293 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-24 11:23:48,293 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-12-24 11:23:48,294 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1878064850] [2023-12-24 11:23:48,294 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1878064850] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-24 11:23:48,294 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-24 11:23:48,294 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-24 11:23:48,294 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [745827582] [2023-12-24 11:23:48,294 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-24 11:23:48,296 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-24 11:23:48,296 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-12-24 11:23:48,297 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-24 11:23:48,297 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-24 11:23:48,297 INFO L87 Difference]: Start difference. First operand 45 states and 67 transitions. Second operand has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 2 states have internal predecessors, (25), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2023-12-24 11:23:53,049 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.64s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-24 11:23:57,924 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.87s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-24 11:24:01,629 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.70s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-24 11:24:07,969 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.68s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-24 11:24:11,975 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-24 11:24:15,977 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-24 11:24:20,960 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.63s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-24 11:24:20,961 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-24 11:24:20,961 INFO L93 Difference]: Finished difference Result 133 states and 199 transitions. [2023-12-24 11:24:21,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-24 11:24:21,216 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 2 states have internal predecessors, (25), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) Word has length 97 [2023-12-24 11:24:21,217 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-24 11:24:21,218 INFO L225 Difference]: With dead ends: 133 [2023-12-24 11:24:21,218 INFO L226 Difference]: Without dead ends: 89 [2023-12-24 11:24:21,219 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 95 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-24 11:24:21,220 INFO L413 NwaCegarLoop]: 57 mSDtfsCounter, 16 mSDsluCounter, 55 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 0 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 31.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 112 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 32.6s IncrementalHoareTripleChecker+Time [2023-12-24 11:24:21,220 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 112 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 17 Invalid, 6 Unknown, 0 Unchecked, 32.6s Time] [2023-12-24 11:24:21,221 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states. [2023-12-24 11:24:21,234 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 87. [2023-12-24 11:24:21,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 87 states, 54 states have (on average 1.3148148148148149) internal successors, (71), 54 states have internal predecessors, (71), 30 states have call successors, (30), 2 states have call predecessors, (30), 2 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2023-12-24 11:24:21,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 131 transitions. [2023-12-24 11:24:21,237 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 131 transitions. Word has length 97 [2023-12-24 11:24:21,237 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-24 11:24:21,237 INFO L495 AbstractCegarLoop]: Abstraction has 87 states and 131 transitions. [2023-12-24 11:24:21,238 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 2 states have internal predecessors, (25), 1 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 1 states have call predecessors, (15), 1 states have call successors, (15) [2023-12-24 11:24:21,238 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 131 transitions. [2023-12-24 11:24:21,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2023-12-24 11:24:21,239 INFO L187 NwaCegarLoop]: Found error trace [2023-12-24 11:24:21,239 INFO L195 NwaCegarLoop]: trace histogram [15, 15, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-24 11:24:21,264 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2023-12-24 11:24:21,452 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-24 11:24:21,453 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-24 11:24:21,453 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-24 11:24:21,453 INFO L85 PathProgramCache]: Analyzing trace with hash 1413242473, now seen corresponding path program 1 times [2023-12-24 11:24:21,454 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-12-24 11:24:21,454 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1287975733] [2023-12-24 11:24:21,454 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-24 11:24:21,454 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-24 11:24:21,454 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2023-12-24 11:24:21,455 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-24 11:24:21,457 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2023-12-24 11:24:22,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-24 11:24:22,451 INFO L262 TraceCheckSpWp]: Trace formula consists of 167 conjuncts, 31 conjunts are in the unsatisfiable core [2023-12-24 11:24:22,468 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-24 11:24:46,456 WARN L293 SmtUtils]: Spent 6.56s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-24 11:24:55,352 WARN L293 SmtUtils]: Spent 8.90s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-24 11:25:04,232 WARN L293 SmtUtils]: Spent 8.88s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-24 11:25:13,104 WARN L293 SmtUtils]: Spent 8.87s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-24 11:25:22,055 WARN L293 SmtUtils]: Spent 8.95s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-24 11:25:30,997 WARN L293 SmtUtils]: Spent 8.94s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-24 11:25:39,956 WARN L293 SmtUtils]: Spent 8.96s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-24 11:25:48,843 WARN L293 SmtUtils]: Spent 8.89s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-24 11:25:54,342 WARN L293 SmtUtils]: Spent 5.50s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-24 11:26:03,196 WARN L293 SmtUtils]: Spent 8.85s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-24 11:26:12,083 WARN L293 SmtUtils]: Spent 8.89s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-24 11:26:25,929 WARN L293 SmtUtils]: Spent 8.87s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-24 11:26:34,827 WARN L293 SmtUtils]: Spent 8.90s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-24 11:26:43,696 WARN L293 SmtUtils]: Spent 8.87s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-24 11:26:52,571 WARN L293 SmtUtils]: Spent 8.87s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-24 11:27:01,453 WARN L293 SmtUtils]: Spent 8.88s on a formula simplification that was a NOOP. DAG size: 8 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-24 11:27:10,350 WARN L293 SmtUtils]: Spent 8.90s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-24 11:27:19,248 WARN L293 SmtUtils]: Spent 8.90s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-24 11:27:23,497 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse1 ((_ zero_extend 24) c_~var_1_6~0)) (.cse4 ((_ zero_extend 24) c_~var_1_5~0)) (.cse0 ((_ zero_extend 24) c_~var_1_4~0))) (and (= c_~var_1_15~0 (bvadd .cse0 .cse1)) (bvsle .cse0 (_ bv127 32)) (bvsle .cse1 (_ bv63 32)) (let ((.cse3 ((_ sign_extend 24) c_~var_1_9~0))) (let ((.cse2 (bvslt (_ bv5 32) .cse3))) (or (and (= ((_ extract 7 0) (bvadd .cse1 (_ bv5 32))) c_~var_1_7~0) .cse2) (and (= c_~var_1_7~0 ((_ extract 7 0) (bvadd .cse1 .cse3))) (not .cse2))))) (bvsge .cse4 (_ bv63 32)) (= ((_ to_fp 8 24) c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode (/ 259.0 4.0))) c_~var_1_12~0) (= c_~last_1_var_1_11~0 (_ bv0 16)) (bvsle .cse4 .cse0) (let ((.cse5 (fp.lt c_~var_1_13~0 ((_ to_fp 11 53) c_currentRoundingMode (_ bv0 32))))) (or (and (fp.eq c_~var_1_2~0 (fp.div c_currentRoundingMode c_~var_1_3~0 c_~var_1_13~0)) (not .cse5)) (and (fp.eq c_~var_1_2~0 (fp.div c_currentRoundingMode c_~var_1_3~0 (fp.neg c_~var_1_13~0))) .cse5))) (= (_ bv0 16) c_~var_1_11~0) (= c_~last_1_var_1_15~0 (_ bv32 32)) (not (= c_~var_1_8~0 (_ bv0 8))) (= c_currentRoundingMode roundNearestTiesToEven))) is different from false [2023-12-24 11:27:27,739 WARN L876 $PredicateComparison]: unable to prove that (let ((.cse1 ((_ zero_extend 24) c_~var_1_6~0)) (.cse4 ((_ zero_extend 24) c_~var_1_5~0)) (.cse0 ((_ zero_extend 24) c_~var_1_4~0))) (and (= c_~var_1_15~0 (bvadd .cse0 .cse1)) (bvsle .cse0 (_ bv127 32)) (bvsle .cse1 (_ bv63 32)) (let ((.cse3 ((_ sign_extend 24) c_~var_1_9~0))) (let ((.cse2 (bvslt (_ bv5 32) .cse3))) (or (and (= ((_ extract 7 0) (bvadd .cse1 (_ bv5 32))) c_~var_1_7~0) .cse2) (and (= c_~var_1_7~0 ((_ extract 7 0) (bvadd .cse1 .cse3))) (not .cse2))))) (bvsge .cse4 (_ bv63 32)) (= ((_ to_fp 8 24) c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode (/ 259.0 4.0))) c_~var_1_12~0) (= c_~last_1_var_1_11~0 (_ bv0 16)) (bvsle .cse4 .cse0) (let ((.cse5 (fp.lt c_~var_1_13~0 ((_ to_fp 11 53) c_currentRoundingMode (_ bv0 32))))) (or (and (fp.eq c_~var_1_2~0 (fp.div c_currentRoundingMode c_~var_1_3~0 c_~var_1_13~0)) (not .cse5)) (and (fp.eq c_~var_1_2~0 (fp.div c_currentRoundingMode c_~var_1_3~0 (fp.neg c_~var_1_13~0))) .cse5))) (= (_ bv0 16) c_~var_1_11~0) (= c_~last_1_var_1_15~0 (_ bv32 32)) (not (= c_~var_1_8~0 (_ bv0 8))) (= c_currentRoundingMode roundNearestTiesToEven))) is different from true [2023-12-24 11:27:36,704 WARN L293 SmtUtils]: Spent 8.95s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-24 11:27:45,690 WARN L293 SmtUtils]: Spent 8.98s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-24 11:27:54,577 WARN L293 SmtUtils]: Spent 8.89s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-24 11:28:03,484 WARN L293 SmtUtils]: Spent 8.91s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-24 11:28:12,405 WARN L293 SmtUtils]: Spent 8.92s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-24 11:28:20,623 WARN L293 SmtUtils]: Spent 8.22s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-24 11:28:29,623 WARN L293 SmtUtils]: Spent 9.00s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-24 11:28:38,589 WARN L293 SmtUtils]: Spent 8.97s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-24 11:28:45,769 WARN L293 SmtUtils]: Spent 7.18s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-24 11:28:54,698 WARN L293 SmtUtils]: Spent 8.93s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-24 11:29:02,075 WARN L293 SmtUtils]: Spent 7.38s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-24 11:29:11,004 WARN L293 SmtUtils]: Spent 8.93s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-24 11:29:19,917 WARN L293 SmtUtils]: Spent 8.91s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-24 11:29:28,820 WARN L293 SmtUtils]: Spent 8.90s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-24 11:29:37,736 WARN L293 SmtUtils]: Spent 8.91s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-24 11:29:46,644 WARN L293 SmtUtils]: Spent 8.91s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-24 11:29:55,601 WARN L293 SmtUtils]: Spent 8.96s on a formula simplification that was a NOOP. DAG size: 8 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-24 11:30:07,783 WARN L293 SmtUtils]: Spent 9.00s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-24 11:30:16,820 WARN L293 SmtUtils]: Spent 9.02s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-24 11:30:25,823 WARN L293 SmtUtils]: Spent 9.00s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-24 11:30:34,832 WARN L293 SmtUtils]: Spent 9.01s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-24 11:30:43,786 WARN L293 SmtUtils]: Spent 8.95s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-24 11:30:52,762 WARN L293 SmtUtils]: Spent 8.97s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-24 11:31:01,767 WARN L293 SmtUtils]: Spent 9.00s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-24 11:31:10,788 WARN L293 SmtUtils]: Spent 9.02s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-24 11:31:19,776 WARN L293 SmtUtils]: Spent 8.99s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-24 11:31:28,771 WARN L293 SmtUtils]: Spent 8.99s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-24 11:31:37,734 WARN L293 SmtUtils]: Spent 8.96s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-24 11:31:46,683 WARN L293 SmtUtils]: Spent 8.95s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-24 11:31:55,658 WARN L293 SmtUtils]: Spent 8.97s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-24 11:32:04,647 WARN L293 SmtUtils]: Spent 8.99s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-24 11:32:11,003 WARN L293 SmtUtils]: Spent 6.35s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-24 11:32:18,644 WARN L293 SmtUtils]: Spent 7.64s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-24 11:32:27,660 WARN L293 SmtUtils]: Spent 9.01s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-24 11:32:36,624 WARN L293 SmtUtils]: Spent 8.96s on a formula simplification that was a NOOP. DAG size: 8 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-24 11:32:45,885 WARN L293 SmtUtils]: Spent 9.26s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-24 11:32:54,917 WARN L293 SmtUtils]: Spent 9.03s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-24 11:33:03,978 WARN L293 SmtUtils]: Spent 9.04s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-24 11:33:12,995 WARN L293 SmtUtils]: Spent 9.02s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-24 11:33:22,008 WARN L293 SmtUtils]: Spent 9.01s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-24 11:33:30,987 WARN L293 SmtUtils]: Spent 8.98s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-24 11:33:39,969 WARN L293 SmtUtils]: Spent 8.98s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-24 11:33:48,928 WARN L293 SmtUtils]: Spent 8.96s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-24 11:33:54,182 WARN L293 SmtUtils]: Spent 5.25s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-24 11:34:01,270 WARN L293 SmtUtils]: Spent 7.09s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-24 11:34:10,280 WARN L293 SmtUtils]: Spent 9.01s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-24 11:34:18,811 WARN L293 SmtUtils]: Spent 8.53s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-24 11:34:27,784 WARN L293 SmtUtils]: Spent 8.97s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-24 11:34:36,778 WARN L293 SmtUtils]: Spent 8.99s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-24 11:34:44,747 WARN L293 SmtUtils]: Spent 7.97s on a formula simplification that was a NOOP. DAG size: 6 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-24 11:34:53,692 WARN L293 SmtUtils]: Spent 8.95s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-24 11:35:02,747 WARN L293 SmtUtils]: Spent 9.05s on a formula simplification that was a NOOP. DAG size: 7 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-24 11:35:10,207 WARN L293 SmtUtils]: Spent 7.46s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-24 11:35:19,193 WARN L293 SmtUtils]: Spent 8.98s on a formula simplification that was a NOOP. DAG size: 8 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-24 11:35:28,154 WARN L293 SmtUtils]: Spent 8.96s on a formula simplification that was a NOOP. DAG size: 5 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-24 11:35:37,121 WARN L293 SmtUtils]: Spent 8.96s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-24 11:35:46,106 WARN L293 SmtUtils]: Spent 8.98s on a formula simplification that was a NOOP. DAG size: 3 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-12-24 11:35:50,369 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse1 ((_ zero_extend 24) c_~var_1_6~0)) (.cse4 ((_ zero_extend 24) c_~var_1_5~0)) (.cse0 ((_ zero_extend 24) c_~var_1_4~0))) (and (= c_~var_1_15~0 (bvadd .cse0 .cse1)) (bvsle .cse0 (_ bv127 32)) (bvsle .cse1 (_ bv63 32)) (let ((.cse3 ((_ sign_extend 24) c_~var_1_9~0))) (let ((.cse2 (bvslt (_ bv5 32) .cse3))) (or (and (= ((_ extract 7 0) (bvadd .cse1 (_ bv5 32))) c_~var_1_7~0) .cse2) (and (= c_~var_1_7~0 ((_ extract 7 0) (bvadd .cse1 .cse3))) (not .cse2))))) (bvsge .cse4 (_ bv63 32)) (= ((_ to_fp 8 24) c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode (/ 259.0 4.0))) c_~var_1_12~0) (= c_~last_1_var_1_11~0 (_ bv0 16)) (bvsle .cse4 .cse0) (let ((.cse5 (fp.lt c_~var_1_13~0 ((_ to_fp 11 53) c_currentRoundingMode (_ bv0 32))))) (or (and (fp.eq c_~var_1_2~0 (fp.div c_currentRoundingMode c_~var_1_3~0 c_~var_1_13~0)) (not .cse5)) (and (fp.eq c_~var_1_2~0 (fp.div c_currentRoundingMode c_~var_1_3~0 (fp.neg c_~var_1_13~0))) .cse5))) (= (_ bv0 16) c_~var_1_11~0) (= c_~last_1_var_1_15~0 (_ bv32 32)) (not (= c_~var_1_8~0 (_ bv0 8))) (= ((_ zero_extend 8) c_~var_1_4~0) c_~var_1_10~0) (= c_currentRoundingMode roundNearestTiesToEven))) is different from false [2023-12-24 11:35:54,653 WARN L876 $PredicateComparison]: unable to prove that (let ((.cse1 ((_ zero_extend 24) c_~var_1_6~0)) (.cse4 ((_ zero_extend 24) c_~var_1_5~0)) (.cse0 ((_ zero_extend 24) c_~var_1_4~0))) (and (= c_~var_1_15~0 (bvadd .cse0 .cse1)) (bvsle .cse0 (_ bv127 32)) (bvsle .cse1 (_ bv63 32)) (let ((.cse3 ((_ sign_extend 24) c_~var_1_9~0))) (let ((.cse2 (bvslt (_ bv5 32) .cse3))) (or (and (= ((_ extract 7 0) (bvadd .cse1 (_ bv5 32))) c_~var_1_7~0) .cse2) (and (= c_~var_1_7~0 ((_ extract 7 0) (bvadd .cse1 .cse3))) (not .cse2))))) (bvsge .cse4 (_ bv63 32)) (= ((_ to_fp 8 24) c_currentRoundingMode ((_ to_fp 11 53) c_currentRoundingMode (/ 259.0 4.0))) c_~var_1_12~0) (= c_~last_1_var_1_11~0 (_ bv0 16)) (bvsle .cse4 .cse0) (let ((.cse5 (fp.lt c_~var_1_13~0 ((_ to_fp 11 53) c_currentRoundingMode (_ bv0 32))))) (or (and (fp.eq c_~var_1_2~0 (fp.div c_currentRoundingMode c_~var_1_3~0 c_~var_1_13~0)) (not .cse5)) (and (fp.eq c_~var_1_2~0 (fp.div c_currentRoundingMode c_~var_1_3~0 (fp.neg c_~var_1_13~0))) .cse5))) (= (_ bv0 16) c_~var_1_11~0) (= c_~last_1_var_1_15~0 (_ bv32 32)) (not (= c_~var_1_8~0 (_ bv0 8))) (= ((_ zero_extend 8) c_~var_1_4~0) c_~var_1_10~0) (= c_currentRoundingMode roundNearestTiesToEven))) is different from true Received shutdown request... [2023-12-24 11:37:10,737 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-12-24 11:37:10,744 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2023-12-24 11:37:11,837 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Ended with exit code 0 [2023-12-24 11:37:11,938 WARN L435 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forcibly destroying the process [2023-12-24 11:37:12,112 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 137 Cannot interrupt operation gracefully because timeout expired. Forcing shutdown